CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended
		Apr. 01, 2022	Apr. 02, 2021
Statement Of Income And Comprehensive Income [Abstract]
Consolidated net income		$ 18,820	$ 11,310
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	[1]	(4,772)	(489)
Pension liability adjustments, net of tax	[2]	313	121
Total other comprehensive income (loss)		(4,459)	(368)
Total consolidated comprehensive income		$ 14,361	$ 10,942

[1] The tax effect on this component of comprehensive income (loss) was nominal for all periods presented.

[2] The tax effect on this component of comprehensive income (loss) was nominal for all periods presented. See Note 3 for the total amount of pension liability adjustments reclassified out of accumulated other comprehensive income (loss).